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OE: 1111402AED01 Fuel Filter Assembly for GWM 4D20 Diesel | Great Wall

The 1111402AED01 fuel filter assembly fits GWM 4D20 diesel platforms, including Wingle 5, Wingle 6, Wingle 7, Cannon, and King Kong Cannon.
It removes fine impurities and moisture before fuel enters the high-pressure system, supporting smooth combustion and reliable torque delivery.
The unit cross-references with 1111402AED10 and 1111402XED01, covering the complete 4D20 diesel fine-filtration family.

The OE: 1111402AED01 fuel filter assembly is the primary fine filtration module used in vehicles equipped with the GWM 4D20 diesel engine family.
It delivers efficient particulate removal and moisture control before fuel enters the high-pressure pump and injectors.
This assembly supports smooth combustion, consistent torque output, and stable performance across commercial, utility, and everyday driving conditions.
Its design offers dependable operation for vehicles operating in mixed climates and varied fuel-quality environments.

Compatibility

This filter assembly fits a wide range of models powered by the 4D20, 4D20D, and 4D20M diesel engines, including:

  • GWM Wingle 5 Diesel

  • GWM Wingle 6 Diesel

  • GWM Wingle 7 Diesel

  • GWM Cannon (Poer) Diesel

  • GWM King Kong Cannon Diesel

These platforms share a common high-pressure common-rail system that requires clean and stable fuel delivery.
The filter assembly integrates with the two-stage diesel filtration layout and serves as the final filtering point before the high-pressure pump.
Its connector layout and overall structure match OEM specifications, allowing direct installation without modification.

Filtration / Material / Mechanical Design

The unit features a multi-layer synthetic medium that captures fine particles while maintaining steady fuel flow.
Its metal housing ensures durability under varying pressure levels and temperature changes.
Internal water-separation components help manage moisture levels within the system.
OE-grade sealing points maintain pressure stability and reduce the risk of air intrusion.
The assembly is designed to perform reliably in dusty, humid, or high-temperature environments often encountered by utility vehicles.

Flow Stability & Engine Protection

Clean filtering supports accurate injector spray patterns and predictable torque output.
This assembly aids in stable idling and reliable cold-start behavior by controlling moisture and fine debris.
Its consistent performance reduces stress on the high-pressure pump during heavy loads and extended operation.
By maintaining fuel purity, the filter assembly supports long-term reliability for the entire common-rail system.

Interchangeable OE Numbers (Cross-Reference)

  • 1111402AED10

  • 1111402XED01

  • 1111402AP00A1

Maintenance Replacement (Official Interval)

The recommended replacement interval for 4D20 diesel platforms is 20,000 km.
Shorter intervals of 10,000–15,000 km are suitable for markets with inconsistent diesel quality.
Inspection for trapped moisture and debris is advised during routine servicing.

Sourcing & Ordering FAQ

❓ Is this product suitable for my market?

Product suitability depends on operating conditions, usage intensity, and local expectations.

We evaluate product recommendations based on real application scenarios,

not just vehicle compatibility.

❓ Do you supply OEM or aftermarket versions?

Depending on the product, we can support OEM-standard or verified aftermarket options.

The recommendation is based on quality stability, cost structure, and market positioning — not labels.

❓ Can this product be combined with other parts in one shipment?

Yes.

Consolidated sourcing across categories is one of our core strengths,

helping buyers reduce freight cost and inventory pressure.

❓ How is quality controlled before shipment?

All products are inspected before shipment.

We work with factories that maintain stable production processes rather than short-term output.

❓ Can I start with a trial order?

Yes.

Trial orders are encouraged for new cooperation,

especially for engine and cooling system service parts where consistency matters.

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